Question

How many 5 digit numbers are there that do not contain 3 or 6?

Answer 1

12457

Mark as brainlist

Answer 2

as it does not contain 3 or 6. so their will be 8types(0,1,2,4,5,7,8,9) in per digit.

so if it contain 5 digit so the number will be 8^5.but if 0 in first of 5 digit so the

number 7×8^3,7×8^2,7×8,7and 00000 will not be 5 digit numbers.

so the answer is 8^5-7×[8^3+8^2+8+1]-1=

28672.